19421871

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{54403}}^1$

素因数の和:54430

約数の個数: 16

約数和(自身を含む): 31336704

約数和(自身を除く): 11914833

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 54403, 163209, 380821, 924851, 1142463, 2774553, 6473957, 19421871]

約数ペア:

[(1, 19421871), (3, 6473957), (7, 2774553), (17, 1142463), (21, 924851), (51, 380821), (119, 163209), (357, 54403)]